Cryptomeria yunnanensis W.N.Ding et Z.K.Zhou in Ding, Kunzmann, Su, Huang & Zhou

Plant Fossil Names Registry Number: PFN000283

Act LSID: urn:lsid:plantfossilnames.org:act:283

Rank: species

Reference: Ding, W. -N., Kunzmann, L., Su, T., Huang, J. & Zhou, Z. -K. (2018): A new fossil species of Cryptomeria (Cupressaceae) from the Rupelian of the Lühe Basin, Yunnan, East Asia: Implications for palaeobiogeography and palaeoecology. – Review of Palaeobotany and Palynology 248: 41–51.

Page of description: 43

Illustrations or figures: pls I–III

Types

Holotype KUN PCLH2-0255 (A, B), The Herbarium of Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
Figures: Plate I, figs 1, 4

Note: Paratypes: KUN PCLH2-0059 (pl. I, fig. 2), KUN PCLH1-0344 (A, B) (pl. II, figs 9–10), KUN PCLH1-0353 (A, B) (pl. II, figs 1–3, 5–7).

Original diagnosis/description

Leafy twigs, spirally arranged sessile subulate leaves with a decurrent base, apices acute and sometimes incurved. Adaxial and abaxial surfaces convex, lateral surfaces keeled. Stomata monocyclic, densely arranged and irregularly oriented, oval to roundish, with a simple circle of subsidiary cells bordered by faintly thicker anticlinal walls.

Etymology

The specific name, yunnanensis, is derived from Yunnan, a province in southwestern China where the fossil site is located.

Stratigraphy

Paleogene, Oligocene, Rupelian

Locality

China
Lühe Town, Nanhua County, Yunnan Province

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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